Laars OMNITHERM ONH1250 Assembly, Installation And Operation Instructions page 43

84 Read
O T
The MNI HERM
Modbus
Address R/W
86 Read
89 Read
90 Read
91 Read
128 Read/Write CH1 Enable/Disable
129 Read/Write CH1 Set Point
36 Read
130 Read/Write CH1 P
131 Read/Write CH1 I
132 Read/Write CH1 D
Modbus
Address 133 Read/Write CH2 Enable/Disable R/W
134 Read/Write CH2 Set Point
38 Read
135 Read/Write CH2 P
39 Read
136 Read/Write CH2 I
40 Read
137 Read/Write CH2 D
43 Read
148
Read/Write DHW Enable/Disable
149 44 Read
Read/Write DHW Set Point
150 Read/Write DHW P
48 Read
151 Read/Write DHW I
49 Read
152 Read/Write DHW D
50 Read
155 Read/Write Cascade CH Set Point
51 Read
156 Read/Write Cascade CH P
52 Read
157 Read/Write Cascade CH I
53 Read
158 Read/Write Cascade CH D
54 Read
163 Read/Write Hybrid Set Point
55 Read
164 Read/Write Hybrid Differential Temperature
56 Read
165 Read/Write Vari-Prime P - Proportional Term
166 Read/Write Vari-Prime I - Integral Term
167 Read/Write Vari-Prime D - Derivative Term
168 64 Read
Read/Write Vari-Prime Delta T
174 Read/Write DHW Demand switch
175 Read/Write CH 1 Demand switch
176
Read/Write CH 2 Demand switch
65 Read
179 Read/Write Modbus Parameter Write Enable
66 Read
67 Read
68 Read
69 Read
70 Read
71 Read
72 Read
73 Read
Burner Status 1
Map Descriptor Name
CH Set Point Source
Boiler Pump Status
Cascade Master Heat Demand
Burner 1 Run Time
Error Code
Map Descriptor Name
History - DHW Demand Cycles
History - CH1 Demand Cycles
History - CH2 Demand Cycles
History - Cascade Demand Cycles
History - Burner Stage 1 Cycles
History - Boiler Pump Cycles
History - DHW Pump Cycles
History - System Pump Cycles
History - Average Boiler Outlet Temperatur
History - Maximum Boiler Outlet Temperatu
History - Minimum Boiler Outlet Temperatu
History - Boiler Average Firing Temperatur
History - Boiler Maximum Firing Time
History - Boiler Minimum Firing Time
Modulation Sensor
Active Service
Lag 1 State
Lag 1 Firing Rate
Lag 2 State
Lag 2 Firing Rate
Lag 3 State
Lag 3 Firing Rate
Lag 4 State
Lag 4 Firing Rate
AI 84 Read
BACnet BACnet
Data Object Read/Write
AI 86 Read
AI 89 Read
AI 90 Read
AI 91 Read
AV 0 Read/Write 0 = Disable; 1 = Enable;
AV 1 Read/Write
AI 36 Read
AV 2 Read/Write
AV 3 Read/Write
AV 4 Read/Write
BACnet BACnet
Data AV Object 5 Read/Write Read/Write 0 = Disable; 1 = Enable;
AV 6 Read/Write
AI 38 Read
AV 7 Read/Write
AI 39 Read
AV 8 Read/Write
AI 40 Read
AV 9 Read/Write
AI 43 Read
AV 20 Read/Write 0 = Disable; 1 = Enable;
AI 44 Read
AV 21 Read/Write
AV 22 Read/Write
AI 48 Read
AV 23 Read/Write
AI 49 Read
AV 24 Read/Write
AI 50 Read
AV 27 Read/Write
AI 51 Read
AV 28 Read/Write
AI 52 Read
AV 29 Read/Write
AI 53 Read
AV 30 Read/Write
AI 54 Read
AV 35 Read/Write
AI 55 Read
AV 36 Read/Write
AI 56 Read
AV 37 Read/Write
AV 38 Read/Write
AV 39 Read/Write
AI 64 Read
AV 40 Read/Write
BV 0 Read/Write 0 = No Heat Demand; 1 = Heat Demand
BV 1 Read/Write 0 = No Heat Demand; 1 = Heat Demand
BV 2 Read/Write 0 = No Heat Demand; 1 = Heat Demand
AI 65 Read
AI 66 Read
AI 67 Read
AI 68 Read
AI 69 Read
AI 70 Read
AI 71 Read
AI 72 Read
AI 73 Read
183 = Lockout
188 = Testmode
194 = Prepurge Closed
195 = Wait for HIS Free
196 = HIS Preheat/Prespark
200 = Verify Primary SF
217 = interpurge
241 = Postpurge
245 = Trial for Ignition
250 = Trial for Ignition Main
52=Post Purge Notes
0 = no CH source
GENERIC LOCKOUT = 17
1 = CH1
BURNER1 MAX TRIALS ERROR = 22
2 = CH2
BURNER1 MAX FLAME LOST ERROR = 24
5 = External Demand
BURNER1 FAN SPEED ERROR = 28
NO LOCKOUT = 255
24VDC ERROR = 30
24VAC ERROR = 31
i
DHW PROBE ERROR = 32
SYSTEM SUPPLY PROBE ERROR = 33
SYSTEM RETURN PROBE ERROR = 34
OUTDOOR PROBE ERROR = 35
FLUE PROBE ERROR = 36
HIGH LIMIT AUTO ERROR = 41
HIGH DELTA T ERROR = 42 Notes
FAN SPEED ERROR = 43
x 10
x 10
x 10
x 10
x 10
x 10
x 10
x 10
°
F
°
F
°
F
°
F
Hours
Hours
0 = None
1 = Outlet
2 = DHW
3 = System
4 = Inlet
5 = Flue
6 = System Return
%
0 = Not Present
1 = Not Available
2 = Available
3 = Running
4 = Locked Out
Current firing rate (0-100%)
0 = Not Present
1 = Not Available
2 = Available
3 = Running
4 = Locked Out
Current firing rate (0-100%)
0 = Not Present
1 = Not Available
2 = Available
3 = Running
4 = Locked Out
Current firing rate (0-100%)
0 = Not Present
1 = Not Available
2 = Available
3 = Running
4 = Locked Out
Current firing rate (0-100%)
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